G&O Maritime Group
We develop cutting-edge sub-systems that enable ship operations
worldwide to become smarter, cleaner, and more efficient—meeting the
industry’s growing demands for environmental responsibility and high performance.
Our brands are part of four divisions
Propulsion management
Offers vibration compensators, cylinder lubrication systems and piston rod stuffing boxes. We cooperate with engine manufacturers and shipping companies to optimise main engine operations and support the important task of utilising new environmentally friendly fuel types.
Tank management
Provides PV valves and protects tank vessels against unintended overpressure or vacuum while simultaneously protecting against fire risk and ensuring that emissions from the cargo is kept to a minimum in accordance with IMO standards.
Water and Waste management
Includes incineration plants and biological water purifying plants, securing that waste water is purified before discharge while solid waste and oil sludge is incinerated at high temperatures to reduce SOx and NOx emissions.
Service Management
Provides specialised solutions for the maintenance, repair, and optimisation of critical marine equipment, ensuring the reliability and longevity of vessel operations. With expertise in boiler systems, automation, and spare parts, services are designed to minimise downtime and enhance efficiency.
One group, seven leading brands
Compensators that ensure a vibration-free main engine, enabling full utilisation of RPM range, improving crew health, and reducing cost of fuel and maintenance.
Piston rod stuffing boxes for two-stroke engines continuously improved to live up to new fuel types entering the market. A trusted partner who delivers quality on time and has a sustainable profile.
Leading global provider of cylinder lubrication systems for two-stroke marine engines, ensuring up to 65% lube oil savings, improved engine reliability and reduced emissions.
Valves and venting equipment reducing emissions from cargo ensuring cost savings due to reduction of cargo vapour loss during voyage, safety for the crew and the environment.
Biologically cleaning of grey and black wastewater before it is discharged. To achieve a reduced impact on marine eco systems and a lower cost of ownership.
Incineration of waste and oil sludge, to achieve lower operational costs and reduced environmental impact, while experiencing a 15% higher burning capacity compared to similar marine incinerators.
Specialised 24/7 solutions for the maintenance, repair, and optimisation of marine boilers and critical equipment. Expertise in boiler systems, automation, and spare parts ensures reliable operations, minimised downtime, and enhanced efficiency for vessel performance.
Annual Sustainability Report
Based on our generations of work with sustainable solutions for the maritime industry, we are committed to ensuring a more structured approach to our sustainability efforts. We implement initiatives year after year to further improve as a responsible employer and transparent business partner.
You can learn about these efforts and initiatives in our latest sustainability report.
Being closer takes us further
Our in-depth understanding of our customers’ world, its complexities and potential remains the cornerstone of who we are and what we stand for.
Through world-class service founded on our legacy of extensive knowledge and expertise, we work closer—as a group and with you as a partner—to create value today while shaping the future of shipping together.
Because being closer takes us further.
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Latest news in G&O Maritime Group
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Globally Anchored, Locally Rooted – G&O Maritime Group Appoints New VP of Sales in Northeast Asia.
At G&O Maritime Group (GOMG), we take pride in being a strategic partner for the global maritime industry. With our broad product portfolio, in-depth customer knowledge, and an organisation that serves as a solid backbone, we distinguish ourselves from younger brands in the market. We are a “House of Brands” – but also consider ourselves…
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What is a Pressure Vacuum Valve? Ensuring Tank Safety and Compliance at Sea
The Function of a Pressure Vacuum Valve A pressure vacuum valve (PV valve) is designed to automatically regulate the internal pressure of a ship’s cargo tank. When pressure builds up beyond the set limit, the valve opens to release vapour into the atmosphere. Conversely, when a vacuum forms – for example, during cargo unloading or…
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HJ Lubricators to showcase smarter marine lubrication solutions at Sea Asia 2025
HJ Lubricators to showcase smarter marine lubrication solutions at Sea Asia 2025 As the maritime industry shifts towards decarbonisation, dual-fuel engines, and slow steaming operations, HJ Lubricators, a division of G&O Maritime Group, is at the forefront, providing innovative lubrication solutions tailored to these emerging trends. Decarbonisation poses a major challenge for the maritime sector,…
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Why Managing Marine Engine Vibrations Is Critical for Fleet Performance
Why Managing Marine Engine Vibrations Is Critical for Fleet Performance The Hidden Costs of Marine Engine Vibrations Marine engine vibrations are more than just an inconvenience; they pose a serious risk to vessel efficiency, equipment longevity, and crew well-being. Excessive vibrations can accelerate wear and tear on key components, increase fuel consumption, and even lead…